var k$ = jQuery.noConflict();
 
(function(k$) {
  k$.facebox = function(data, klass) {
    k$.facebox.loading()

    if (data.ajax) fillFaceboxFromAjax(data.ajax)
    else if (data.image) fillFaceboxFromImage(data.image)
    else if (data.div) fillFaceboxFromHref(data.div)
    else if (k$.isFunction(data)) data.call(k$)
    else k$.facebox.reveal(data, klass)
  }

  /*
   * Public, k$.facebox methods
   */

  k$.extend(k$.facebox, {
    settings: {
      opacity      : 0,
      overlay      : true,
      loadingImage: '/DesktopModules/KSTech.BasicMapModule/js/facebox/loading.gif',
      closeImage: '/DesktopModules/KSTech.BasicMapModule/js/facebox/closelabel.gif',
      imageTypes   : [ 'png', 'jpg', 'jpeg', 'gif' ],
      faceboxHtml  : '\
    <div id="facebox" style="display:none;"> \
      <div class="popup"> \
        <table> \
          <tbody> \
            <tr> \
              <td class="tl"/><td class="b"/><td class="tr"/> \
            </tr> \
            <tr> \
              <td class="b"/> \
              <td class="body"> \
                <div class="content"> \
                </div> \
                <div class="footer"> \
                  <a href="#" class="close"> \
                    <img src="/DesktopModules/KSTech.BasicMapModule/js/facebox/closelabel.gif" title="close" class="close_image" /> \
                  </a> \
                </div> \
              </td> \
              <td class="b"/> \
            </tr> \
            <tr> \
              <td class="bl"/><td class="b"/><td class="br"/> \
            </tr> \
          </tbody> \
        </table> \
      </div> \
    </div>'
    },

    loading: function() {
      init()
      if (k$('#facebox .loading').length == 1) return true
      showOverlay()

      k$('#facebox .content').empty()
      k$('#facebox .body').children().hide().end().
        append('<div class="loading"><img src="'+k$.facebox.settings.loadingImage+'"/></div>')

      k$('#facebox').css({
        top:	getPageScroll()[1] + (getPageHeight() / 10),
        left:	385.5
      }).show()

      k$(document).bind('keydown.facebox', function(e) {
        if (e.keyCode == 27) k$.facebox.close()
        return true
      })
      k$(document).trigger('loading.facebox')
    },

    reveal: function(data, klass) {
      k$(document).trigger('beforeReveal.facebox')
      if (klass) k$('#facebox .content').addClass(klass)
      k$('#facebox .content').append(data)
      k$('#facebox .loading').remove()
      k$('#facebox .body').children().fadeIn('normal')
      k$('#facebox').css('left', k$(window).width() / 2 - (k$('#facebox table').width() / 2))
      k$(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
    },

    close: function() {
      k$(document).trigger('close.facebox')
      return false
    }
  })

  /*
   * Public, k$.fn methods
   */

  k$.fn.facebox = function(settings) {
    init(settings)

    function clickHandler() {
      k$.facebox.loading(true)

      // support for rel="facebox.inline_popup" syntax, to add a class
      // also supports deprecated "facebox[.inline_popup]" syntax
      var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
      if (klass) klass = klass[1]

      fillFaceboxFromHref(this.href, klass)
      return false
    }

    return this.click(clickHandler)
  }

  /*
   * Private methods
   */

  // called one time to setup facebox on this page
  function init(settings) {
    if (k$.facebox.settings.inited) return true
    else k$.facebox.settings.inited = true

    k$(document).trigger('init.facebox')
    makeCompatible()

    var imageTypes = k$.facebox.settings.imageTypes.join('|')
    k$.facebox.settings.imageTypesRegexp = new RegExp('\.' + imageTypes + 'k$', 'i')

    if (settings) k$.extend(k$.facebox.settings, settings)
    k$('body').append(k$.facebox.settings.faceboxHtml)

    var preload = [ new Image(), new Image() ]
    preload[0].src = k$.facebox.settings.closeImage
    preload[1].src = k$.facebox.settings.loadingImage

    k$('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {
      preload.push(new Image())
      preload.slice(-1).src = k$(this).css('background-image').replace(/url\((.+)\)/, 'k$1')
    })

    k$('#facebox .close').click(k$.facebox.close)
    k$('#facebox .close_image').attr('src', k$.facebox.settings.closeImage)
  }
  
  // getPageScroll() by quirksmode.com
  function getPageScroll() {
    var xScroll, yScroll;
    if (self.pageYOffset) {
      yScroll = self.pageYOffset;
      xScroll = self.pageXOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
      yScroll = document.documentElement.scrollTop;
      xScroll = document.documentElement.scrollLeft;
    } else if (document.body) {// all other Explorers
      yScroll = document.body.scrollTop;
      xScroll = document.body.scrollLeft;	
    }
    return new Array(xScroll,yScroll) 
  }

  // Adapted from getPageSize() by quirksmode.com
  function getPageHeight() {
    var windowHeight
    if (self.innerHeight) {	// all except Explorer
      windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
      windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
      windowHeight = document.body.clientHeight;
    }	
    return windowHeight
  }

  // Backwards compatibility
  function makeCompatible() {
    var k$s = k$.facebox.settings

    k$s.loadingImage = k$s.loading_image || k$s.loadingImage
    k$s.closeImage = k$s.close_image || k$s.closeImage
    k$s.imageTypes = k$s.image_types || k$s.imageTypes
    k$s.faceboxHtml = k$s.facebox_html || k$s.faceboxHtml
  }

  // Figures out what you want to display and displays it
  // formats are:
  //     div: #id
  //   image: blah.extension
  //    ajax: anything else
  function fillFaceboxFromHref(href, klass) {
    // div
    if (href.match(/#/)) {
      var url    = window.location.href.split('#')[0]
      var target = href.replace(url,'')
      k$.facebox.reveal(k$(target).clone().show(), klass)

    // image
    } else if (href.match(k$.facebox.settings.imageTypesRegexp)) {
      fillFaceboxFromImage(href, klass)
    // ajax
    } else {
      fillFaceboxFromAjax(href, klass)
    }
  }

  function fillFaceboxFromImage(href, klass) {
    var image = new Image()
    image.onload = function() {
      k$.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass)
    }
    image.src = href
  }

  function fillFaceboxFromAjax(href, klass) {
    k$.get(href, function(data) { k$.facebox.reveal(data, klass) })
  }

  function skipOverlay() {
    return k$.facebox.settings.overlay == false || k$.facebox.settings.opacity === null 
  }

  function showOverlay() {
    if (skipOverlay()) return

    if (k$('facebox_overlay').length == 0) 
      k$("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')

    k$('#facebox_overlay').hide().addClass("facebox_overlayBG")
      .css('opacity', k$.facebox.settings.opacity)
      .click(function() { k$(document).trigger('close.facebox') })
      .fadeIn(200)
    return false
  }

  function hideOverlay() {
    if (skipOverlay()) return

    k$('#facebox_overlay').fadeOut(200, function(){
      k$("#facebox_overlay").removeClass("facebox_overlayBG")
      k$("#facebox_overlay").addClass("facebox_hide") 
      k$("#facebox_overlay").remove()
    })
    
    return false
  }

  /*
   * Bindings
   */

  k$(document).bind('close.facebox', function() {
    k$(document).unbind('keydown.facebox')
    k$('#facebox').fadeOut(function() {
      k$('#facebox .content').removeClass().addClass('content')
      hideOverlay()
      k$('#facebox .loading').remove()
    })
  })

})(jQuery);